diff --git a/cassh.1 b/cassh.1
index 897072a..ca184fb 100644
--- a/cassh.1
+++ b/cassh.1
@@ -65,7 +65,7 @@ file corresponding to the public key of it, a
 directory which holds the public keys to be signed, an optional
 .Pa ./krl
 file corresponding to the last issued Key Revocation List, and optional
-.Pa ./serial.txt
+.Pa ./ca_serial.txt
 and
 .Pa ./krl_serial.txt
 files corresponding to the current serial number for the issued certificates
@@ -163,7 +163,7 @@ Certification Authority public key
 Directory containing the public keys to be signed
 .It Pa ./krl
 Key Revocation List
-.It Pa ./serial.txt
+.It Pa ./ca_serial.txt
 Last issued serial for certificates
 .It Pa ./krl_serial.txt
 Last issued serial for KRLs
diff --git a/cassh.sh b/cassh.sh
index 881cec7..f48ee96 100644
--- a/cassh.sh
+++ b/cassh.sh
@@ -238,7 +238,7 @@ main_revoke()
 set -u
 
 PATH_CA_PUB=./ca.pub
-PATH_CA_SERIAL=./serial.txt
+PATH_CA_SERIAL=./ca_serial.txt
 PATH_KRL=./krl
 PATH_KRL_SERIAL=./krl_serial.txt
 PATH_PUBKEYS_DIR=./pubkeys